DEIF SCM 4-2 SCM42 Analog Signal Input Module with Isolation
Product Overview
The DEIF SCM 4-2 PCB(commonly referenced as DEIF SCM42)is a precision analog input signal conditioning module designed for integration into DEIF’s advanced power management and generator control systems.As a key component in the DEIF AGC(Automatic Generator Controller)ecosystem,the DEIF SCM42 serves as the critical interface between field sensors and the main controller,accurately acquiring and processing analog signals from voltage transformers,current transformers,temperature probes,pressure transmitters,and other instrumentation.This ensures reliable,real-time monitoring of generator and engine parameters essential for safe and efficient operation.
Deployed within control panels for diesel,gas,and marine generator sets,the DEIF SCM 4-2 PCB provides four independent,isolated analog input channels capable of accepting standard industrial signals such as 0–20 mA,4–20 mA,0–10 V,and thermocouple/RTD inputs(with appropriate signal conditioning).Its high-resolution analog-to-digital conversion and built-in filtering deliver exceptional accuracy and noise immunity,even in electrically noisy environments.The DEIF SCM42 is engineered to work seamlessly with controllers like the AGC-200,AGC-210,and PPM systems,enabling comprehensive engine health monitoring,load management,and automated start/stop sequences.As a dedicated signal acquisition module,the DEIF SCM 4-2 PCB enhances system scalability by offloading analog processing from the main CPU,improving overall system responsiveness and diagnostic capability in critical power applications.
Technical Specifications
Product Model DEIF SCM 4-2 PCB(SCM42)
Manufacturer DEIF A/S
Product Type Analog Input Signal Conditioning Module
Series/Platform DEIF AGC/PPM Control Systems
Input Channels 4 independent analog inputs
Input Signal Types 0–20 mA,4–20 mA,0–10 V,±10 V(configurable)
Input Impedance>100 kΩ(voltage),100Ω(current)
Resolution 16-bit ADC per channel
Accuracy±0.1%of full scale
Isolation Channel-to-channel and system isolation(2500 V AC)
Sampling Rate 10 samples per second per channel
Operating Voltage 24 V DC(supplied via backplane)
Power Consumption<2 W
Operating Temperature-25°C to+70°C
Storage Temperature-40°C to+85°C
Humidity 5%to 95%non-condensing(non-icing)
Installation DIN rail mount,35 mm standard
Communication Interface DEIF proprietary backplane bus
Compatibility AGC-200,AGC-210,PPM3,PPM4,and compatible DEIF racks
Main Features and Advantages
The DEIF SCM 4-2 PCB delivers exceptional performance as a dedicated analog signal acquisition module,ensuring precise and reliable data input for critical power control systems.Its four high-accuracy,isolated input channels eliminate ground loop issues and protect the main controller from electrical surges or noise,a common challenge in generator switchgear environments.Each channel supports multiple signal types,offering unparalleled flexibility in sensor integration—whether monitoring engine oil pressure with a 4–20 mA transmitter or measuring generator output voltage via a 0–10 V PT signal.
One of the standout features of the DEIF SCM42 is its high-resolution 16-bit analog-to-digital conversion,which provides granular data for precise control and trending.This level of accuracy is essential for applications requiring tight regulation of generator load sharing,temperature monitoring,or fuel efficiency optimization.The module’s galvanic isolation(2500 V AC)significantly enhances system reliability and safety,particularly in marine and industrial installations where electrical interference is prevalent.
The DEIF SCM 4-2 PCB is also designed for seamless integration within the DEIF ecosystem.It connects directly to the AGC or PPM backplane,requiring no additional programming or configuration beyond system setup in DEIF Toolbox software.This plug-and-play capability reduces commissioning time and minimizes integration errors.With its robust industrial design,wide operating temperature range,and compatibility with harsh environments,the DEIF SCM42 is the trusted choice for OEMs and system integrators building high-availability power solutions for backup,prime,and continuous power applications.
Application Field
The DEIF SCM 4-2 PCB is widely used in power generation systems where accurate analog signal monitoring is essential for safe and efficient operation.In standby and prime power generator sets—commonly found in data centers,hospitals,and industrial facilities—the DEIF SCM42 enables continuous monitoring of engine parameters such as coolant temperature,lube oil pressure,fuel level,and exhaust temperature,ensuring early detection of potential failures and preventing catastrophic engine damage.
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